Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11054397 | Propagation time measurement machine, gas concentration measurement device, propagation time measurement program, and propagation time measurement method | Yoshifumi Shinfuku, Yasuhiro Toriyama | 2021-07-06 |